Bleu Rose has updated both its Black and Bleu standard and pro products to version 2.0. The products explain 4,384 of the Mac OS error codes, in both technical and non-technical language.

The programs also offer remedies for many of these errors, and let users notate explanations. The Pro version also lets users share explanations with others.

The apps work on any Mac or clone running on System 7.0 or later and require 1.8MB of memory and 6.9MB of disk space. Various upgrade options are available for users of previous versions of the software.

Black and Bleu is $29 (electronic version) or $41 (CD-ROM) from Kagi, the Pro version costs $129, or $141 for the CD-ROM, if purchased from Kagi.